Developed To Improve Precision And Accuracy With Any Style Or Caliber Of Weapon, The Trijicon RMR™ (Ruggedized Miniature Reflex) Is Designed To Be as Durable as The Legendary ACOG. The Rm04-33 Is a Battery Free Sight, featuring Trijicon Fiber Optics And Tritium. Housed In Rugged Forged Aluminum, The RMR Is extremely Tough Yet Lightweight. New Easy-To-Use adjusters With Audible clicks Allow For Quick Windage And Elevation adjustments. The New Trijicon RMR™ Is tougher Than Any Alternative And Suitable For Military, Law Enforcement And Hunting applications.